It affects the growth and strength of the plant. Damping Off-This is a disease that infects the seedling of the plant, caused by different fungi -- Pythium and Phytophthora being some of them. It infects the seed and decays it, thus affecting the growth and vigor of the whole plant.t affects the growth and strength of the plant. Damping Off-This is a disease that infects the seedling of the plant, caused by different fungi -- Pythium and Phytophthora being some of them. It infects the seed and decays it, thus affecting the growth and vigor of the whole plant.
Definition of 'vigil'. vigil (vÉªdÊÉªl ) A vigil is a period of time when people remain quietly in a place, especially at night, for example because they are praying or are making a political protest. A prayer vigil is being held in the cathedral in memory of the bishop.
Freebase(0.00 / 0 votes)Rate this definition: Vigilant is a science fiction novel written by the Canadian author James Alan Gardner, published in 1999 by HarperCollins Publishers under its various imprints. The book is the third volume in Gardner's League of Peoples series, after Expendable and Commitment Hour.